.wrapper {
  font-size: 16px;
  font-family: Avenir, -apple-system-font, 微软雅黑, sans-serif;
}
.wrapper p {
  font-size: 16px;
  white-space: pre-line;
  line-height: 30px;
  color: #4a4a4a;
}
.wrapper blockquote {
  line-height: 22px;
}
.wrapper blockquote p {
  font-size: 14px;
}
.wrapper h1 {
  font-size: 28px;
}
.wrapper h2 {
  font-size: 24px;
}
.wrapper h3 {
  font-size: 20px;
}
.wrapper h4 {
  font-size: 18px;
}

.wrapper ul li span, .wrapper ol li span {
  line-height: 22px;
  font-size: 14px !important;
}
